45.1 MB (1.9 MB compressed)
4174 x 3775 pixels
35.3 x 32.0 cm ⏐ 13.9 x 12.6 in (300dpi)
GARY HINCKS / SCIENCE PHOTO LIBRARY GARY HINCKS / SCIENCE PHOTO LIBRARY
Monsoon winds. Artwork of the monsoon winds in summer (left) and winter (right) in southern Asia. In summer, the land heats up much faster than the ocean, and the hot air rises, causing a large area of low pressure. This draws in the cooler, moister air from the ocean, producing a steady wind from the southwest. Clouds form as the moist air hits the Himalayas mountain range, and these produce a huge amount of rain, which is vital for crops but often leads to flooding. In winter the situation is reversed. The sea cools more slowly than the land, thus the low forms over the ocean. This draws cool air from the mountains, forming a wind that blows from the northeast.
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